// This File is part of the "nyaqt" Project
// 
// Copyright  2009 sometmes@gmail.com
// All rights reserved
// 
// This library is free software; you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published
// by the Free Software Foundation; either version 2.1 of the License, or
// (at your option) any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
// 
// You should have received a copy of the GNU General Public License
// along with this program.  If not, see <http://www.gnu.org/licenses/>.



using System;
using System.Collections.Generic;
using System.Text;
using System.Data;
using System.ComponentModel;

namespace nyaqt
{
    class ConnectResult
    {
        public bool Success = false;
        public string Message;
    }

    class ConnectWorkItem
    {
        public ConnectionInfo Connection;
        public IDbConnection SecondConnection;
        public bool ConnectTwoTimes;
        public void DoWork(object sender, DoWorkEventArgs e)
        {
            IDbConnection cn = Connection.Current;
            if (cn == null)
            {
                cn = Connection.Factory.CreateConnection();
                Connection.Current = cn;
            }
            else
            {
                // Guaranteed, provider has not been changed.
                if (cn.State != ConnectionState.Closed)
                    cn.Close();
            }
            cn.ConnectionString = Connection.ConnectionStringWithPwd;

            SecondConnection = null;
            if (ConnectTwoTimes)
            {
                SecondConnection = Connection.Factory.CreateConnection();
                SecondConnection.ConnectionString = Connection.ConnectionStringWithPwd;
            }

            try
            {
                cn.Open();
                if (ConnectTwoTimes)
                    SecondConnection.Open();

                ConnectResult r = new ConnectResult();
                r.Success = true;
                e.Result = r;
            }
            catch (Exception ex)
            {
                ConnectResult r = new ConnectResult();
                r.Success = false;
                r.Message = ex.GetBaseException().Message;
                e.Result = r;
            }
        }
    }
}
































